20195640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56099}}^1$

素因数の和:56116

約数の個数: 48

約数和(自身を含む): 65637000

約数和(自身を除く): 45441360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56099, 112198, 168297, 224396, 280495, 336594, 448792, 504891, 560990, 673188, 841485, 1009782, 1121980, 1346376, 1682970, 2019564, 2243960, 2524455, 3365940, 4039128, 5048910, 6731880, 10097820, 20195640]

約数ペア:

[(1, 20195640), (2, 10097820), (3, 6731880), (4, 5048910), (5, 4039128), (6, 3365940), (8, 2524455), (9, 2243960), (10, 2019564), (12, 1682970), (15, 1346376), (18, 1121980), (20, 1009782), (24, 841485), (30, 673188), (36, 560990), (40, 504891), (45, 448792), (60, 336594), (72, 280495), (90, 224396), (120, 168297), (180, 112198), (360, 56099)]